I've dropped the ball on making smaller commits so now here's a big one - Update sig for post-6.40 exes - Some packet handlers have switches for packet sizes. Added a heuristic to capture this information - Consolidated vtable alignment warnings - Added script to debug similarity matrix
44 lines
1.1 KiB
Python
44 lines
1.1 KiB
Python
import click
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from vtable_alignment import Similarity
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from utils import HexIntParamType
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@click.command()
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@click.argument(
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"similarity_json_file",
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type=click.Path(exists=True, dir_okay=False, resolve_path=True),
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)
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@click.argument("opcode", type=HexIntParamType())
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def debug_similarity_matrix(similarity_json_file, opcode):
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"""
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Given an old opcode, debug prints a row of the similarity matrix generated
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from generate_similarity_matrix.py.
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Example:
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python debug_similarity_matrix.py similarity.json 0x200
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"""
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entries = dict()
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similarity = Similarity(similarity_json_file)
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for new_opcode in similarity.new_opcodes:
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entries[new_opcode] = similarity.lookup(opcode, new_opcode)
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max_opcode = 0
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max_score = -9999
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print(f"Similarities for {hex(opcode)}")
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for new_opcode, similarity in entries.items():
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print(f"\t{hex(new_opcode)} => {similarity}")
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if similarity > max_score:
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max_opcode = new_opcode
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max_score = similarity
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print("Best match")
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print(f"{hex(max_opcode)} => {max_score}")
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if __name__ == "__main__":
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debug_similarity_matrix()
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